Groups of galaxies in the Center for Astrophysics redshift survey

Details Groups of galaxies in the Center for Astrophysics redshift survey Groups of galaxies in the Center for Astrophysics redshift survey

Sep 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...344...57r&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 344, Sept. 1, 1989, p. 57-74. Research supported by the Smithsonian Institu

Statistics

Computation

178

Computational Astrophysics, Galactic Clusters, Red Shift, Astronomical Catalogs, Hubble Constant, Line Of Sight, Mass To Light Ratios

Scientific paper

By applying the Huchra and Geller (1982) objective group identification algorithm to the Center for Astrophysics' redshift survey, a catalog of 128 groups with three or more members is extracted, and 92 of these are used as a statistical sample. A comparison of the distribution of group centers with the distribution of all galaxies in the survey indicates qualitatively that groups trace the large-scale structure of the region. The physical properties of groups may be related to the details of large-scale structure, and it is concluded that differences among group catalogs may be due to the properties of large-scale structures and their location relative to the survey limits.

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